Home / 4,639.31-6,960.50-3,085.43

Finding the Fourth Proportional to 4,639.31, 6,960.50 and 3,085.43

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Solution

The fourth proportional to 4,639.31, 6,960.50 and 3,085.43 is: 4,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.31 : 6,960.50 = 3,085.43 : x
  2. Step 2: Convert to fraction form
    4,639.31/6,960.50 = 3,085.43/x
  3. Step 3: Cross multiply
    4,639.31x = 6,960.50 × 3,085.43
  4. Step 4: Simplify right side
    4,639.31x = 21,476,108.43
  5. Step 5: Solve for x
    x = 21,476,108.43/4,639.31
  6. Step 6: Final answer
    x = 4,629.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.